3 spring vegetable tart Recipes

store-bought pie crust, all-purpose flour (for surface), asparagus (about 1 1/4 lb total), trimmed, peeled if thick, spring onions or 12 scallions, olive oil, divided, kosher salt and freshly ground black pepper, unsalted butter, soft fresh goat cheese, creme fraiche, heavy cream, minced flat-leaf parsley, minced fresh chives, minced fresh tarragon, eggs

vegetable oil, white bread (see notes ), crabmeat, drained, egg, separated, cornflour, spring onions, finely chopped, plum sauce, uncooked prawns, extra plum sauce, to serve, fresh herb, to garnish, red pepper, strips to garnish